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Details and Image
Item#
Type
Model No.
Match No.
Variant No.
Model Name
Maker
Country
Production or Serial No.
Material
Scale Length
Date
Condition
KEU301
Linear
4139
4429
5
Cooke Radio
Keuffel & Esser
USA
590408
Engine divided celluloid laminated mahogany
"10"
1951
C5
Notes:
Cooke Radio Slide Rule logo moved to front side on right end of slide. Scale ranges added to scales on back of slide. Stylized K&E logo and © added to back of slide on right side.
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Condition Code
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